Fig. 5

(a) and (b) SEM images of limestone (CaCO3) before and after the sorption process, (c) and (d) of calined limestone (CaO) before and after sorption respectively.
(a) and (b) SEM images of limestone (CaCO3) before and after the sorption process, (c) and (d) of calined limestone (CaO) before and after sorption respectively.